Operation Manual of WEICHAI GENSET
inaccurate
personnel for adjustment
Check and clean the diesel filter
15
The diesel filter is blocked
element frequently, and replace it if
necessary
16
The fuel supply line is blocked
Check and replace
Loosen the bleed screw on the
17
There is air in the fuel circuit,
causing large fluctuation of the
injection pressure
diesel filter, pump fuel with a
manual fuel pump to the bleed
screw, exhaust the air in the fuel
system, and then tighten the bleed
screw.
18
There is water in the fuel
Replace the fuel, and install an oil-
water separator
19
The fuel injector coupling is
damaged or the fuel atomization is
poor.
Contact after-sales service
personnel for repair or replacement
20
The fuel supply of fuel injection Contact after-sales service
pump is insufficient or uneven
personnel for repair or replacement
Improper adjustment of the
21
maximum fuel supply limit screw of Adjust the high speed limit screw
the fuel injection pump
22
Governor fault
Contact after-sales service
personnel for repair or replacement
23
Insufficient supply from fuel supply Contact after-sales service
pump
personnel for repair or replacement
24
The piston ring, piston and cylinder Replace the cylinder liner, piston
liner are worn
and piston ring.
The cold state of diesel engine is not It is normal, and the diesel engine
25
conducive to the combustion of can only run with load in the hot
combustible mixture
state
Excessive
diesel
engine
26
temperature and reduced cylinder Check the working condition of
charge causes incomplete cooling system and repair it
combustion
27
Excessive oil viscosity increases the
running resistance and power
consumption of diesel engine
Clean the lubrication system and
replace the oil of appropriate grade
Excess oil in the oil pan, and the
28
crankshaft runs in the oil with great Drain excess oil
resistance
61
